diff options
Diffstat (limited to 'lib/spawn_faction_init.c')
| -rw-r--r-- | lib/spawn_faction_init.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/lib/spawn_faction_init.c b/lib/spawn_faction_init.c new file mode 100644 index 00000000000..135605fb8c6 --- /dev/null +++ b/lib/spawn_faction_init.c | |||
| @@ -0,0 +1,56 @@ | |||
| 1 | /* Copyright (C) 2000, 2009-2020 Free Software Foundation, Inc. | ||
| 2 | This file is part of the GNU C Library. | ||
| 3 | |||
| 4 | This program is free software: you can redistribute it and/or modify | ||
| 5 | it under the terms of the GNU General Public License as published by | ||
| 6 | the Free Software Foundation; either version 3 of the License, or | ||
| 7 | (at your option) any later version. | ||
| 8 | |||
| 9 | This program is distributed in the hope that it will be useful, | ||
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 12 | GNU General Public License for more details. | ||
| 13 | |||
| 14 | You should have received a copy of the GNU General Public License | ||
| 15 | along with this program. If not, see <https://www.gnu.org/licenses/>. */ | ||
| 16 | |||
| 17 | #include <config.h> | ||
| 18 | |||
| 19 | /* Specification. */ | ||
| 20 | #include <spawn.h> | ||
| 21 | |||
| 22 | #include <errno.h> | ||
| 23 | #include <stdlib.h> | ||
| 24 | #include <string.h> | ||
| 25 | |||
| 26 | #include "spawn_int.h" | ||
| 27 | |||
| 28 | |||
| 29 | /* Function used to increase the size of the allocated array. This | ||
| 30 | function is called from the 'add'-functions. */ | ||
| 31 | int | ||
| 32 | __posix_spawn_file_actions_realloc (posix_spawn_file_actions_t *file_actions) | ||
| 33 | { | ||
| 34 | int newalloc = file_actions->_allocated + 8; | ||
| 35 | void *newmem = realloc (file_actions->_actions, | ||
| 36 | newalloc * sizeof (struct __spawn_action)); | ||
| 37 | |||
| 38 | if (newmem == NULL) | ||
| 39 | /* Not enough memory. */ | ||
| 40 | return ENOMEM; | ||
| 41 | |||
| 42 | file_actions->_actions = (struct __spawn_action *) newmem; | ||
| 43 | file_actions->_allocated = newalloc; | ||
| 44 | |||
| 45 | return 0; | ||
| 46 | } | ||
| 47 | |||
| 48 | |||
| 49 | /* Initialize data structure for file attribute for 'spawn' call. */ | ||
| 50 | int | ||
| 51 | posix_spawn_file_actions_init (posix_spawn_file_actions_t *file_actions) | ||
| 52 | { | ||
| 53 | /* Simply clear all the elements. */ | ||
| 54 | memset (file_actions, '\0', sizeof (*file_actions)); | ||
| 55 | return 0; | ||
| 56 | } | ||